Solve.A lake is stocked with 350 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 2187. The population of fish in the lake after time t, in months, is given by the function P(t) = 
.Find the population after 20 months.
A. 2156
B. 2176
C. 2181
D. 2166
Answer: D
Mathematics
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Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 
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Find the amount of interest earned by the deposit.$480 at 15% compounded quarterly for 5 years
A. $485.45 B. $486.08 C. $522.31 D. $1002.31
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Solve the equation.
- 
= 7
A. 10
B. 
C. 14
D. 35
Mathematics
Solve the problem.Use the fact that sin-1 x = x + 
for |x| < 1 to find the series for cos-1 x.
A. 
- x + 
B. 
- 
C. 
- x + 
D. 
- x - 
Mathematics